/Engine/Source/Editor/UnrealEd/Public/Commandlets/AssetRegistryGenerator.h
Should be called prior to SaveManifests.
void RegisterChunkDataGenerator ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IChunkDataGenerator](API\Editor\UnrealEd\Commandlets\IChunkDataGenerator) > InChunkDataGenerator )